<template>
  <div id="app">
    <router-view />
    <el-backtop target="#app" :visibility-height="100" >

    </el-backtop>
  </div>
</template>

<script>
export default  {
  name:  'App'
}
</script>
<style scoped>
  #app {
    overflow-y: scroll;
  }
</style>
